The number of homes sold by a realtor during a month has the following probability distribution: 3. Number Sold Probability e.10 0.10 2. 0.80 The standard deviation of the number of homes sold by the realtor during a month is the closest to Multiple Choice O 041
The number of homes sold by a realtor during a month has the following probability distribution: 3. Number Sold Probability e.10 0.10 2. 0.80 The standard deviation of the number of homes sold by the realtor during a month is the closest to Multiple Choice O 041
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Transcribed Image Text:The number of homes sold by a realtor during a month has the following probability distribution:
3.
Number Sold
Probability
e.10
0.10
2.
0.80
The standard deviation of the number of homes sold by the realtor during a month is the closest to
Multiple Choice
O 041
1.70
Proctoring Enabled:
tive
It is krown that 10% of the calculators shipped from a particular factory are defective. What is the probability that exactiy two of four
chosen calculators are defective?
Multiple Choice
0122
0.0486
0.07
Transcribed Image Text:It is known that 10% of the calculators shipped from a particular factory are defective. What is the probability that
of four calculators is defective?
Multiple Choice
0.0010
0.6561
0.3439
Proctoring Enabled
Suppose a baseball team has 14 players on the roster who are not members of the pitching staff. Of those
have recently taken a performance-enhancing drug. Suppose the league decides to randomly test fivem
probability that at least one of the tested players is found to have taken a performance-enhancing drug?
14
Multiple Choice
0.4945
0.2308
07692
Proctoring Enabled:
Consider the following probability distribution.
P(X x4)
0.3
0.2
0.1
3.
0.4
The expected value and standard deviation are
and
respectively.
Multiple Choice
0.6: 2.239
16 1281
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